[INFO] fetching crate advocat 3.0.0...
[INFO] checking advocat-3.0.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate advocat 3.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate advocat 3.0.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate advocat 3.0.0
[INFO] finished tweaking crates.io crate advocat 3.0.0
[INFO] tweaked toml for crates.io crate advocat 3.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate advocat 3.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded exitcode v1.1.2
[INFO] [stderr]   Downloaded configparser v3.0.0
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded getrandom v0.2.4
[INFO] [stderr]   Downloaded crc32fast v1.3.1
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded openssl-sys v0.9.72
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded schannel v0.1.19
[INFO] [stderr]   Downloaded socket2 v0.4.4
[INFO] [stderr]   Downloaded libc v0.2.116
[INFO] [stderr]   Downloaded curl v0.4.42
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded libz-sys v1.1.3
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
[INFO] [stderr]   Downloaded dirs-sys v0.3.6
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded byteorder v1.4.3
[INFO] [stderr]   Downloaded pkg-config v0.3.24
[INFO] [stderr]   Downloaded redox_users v0.4.0
[INFO] [stderr]   Downloaded directories v4.0.1
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded curl-sys v0.4.52+curl-7.81.0
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded flate2 v1.0.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 735ed908c2fa8cd347a9b15fd30b1899f956f6113458afd1bfa9432eed6603f4
[INFO] running `Command { std: "docker" "start" "-a" "735ed908c2fa8cd347a9b15fd30b1899f956f6113458afd1bfa9432eed6603f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "735ed908c2fa8cd347a9b15fd30b1899f956f6113458afd1bfa9432eed6603f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735ed908c2fa8cd347a9b15fd30b1899f956f6113458afd1bfa9432eed6603f4", kill_on_drop: false }`
[INFO] [stdout] 735ed908c2fa8cd347a9b15fd30b1899f956f6113458afd1bfa9432eed6603f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cac2704af3098b20af50b83eb8fd70f5821d0fb7627aa6c83b0ef902a1d45841
[INFO] running `Command { std: "docker" "start" "-a" "cac2704af3098b20af50b83eb8fd70f5821d0fb7627aa6c83b0ef902a1d45841", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling curl v0.4.42
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling curl-sys v0.4.52+curl-7.81.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking configparser v3.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking advocat v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/problem.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Problem {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Problem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/test_utils.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl SelfCleaningTmp {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new(module: &str, test_name: &str) -> SelfCleaningTmp {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "cac2704af3098b20af50b83eb8fd70f5821d0fb7627aa6c83b0ef902a1d45841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac2704af3098b20af50b83eb8fd70f5821d0fb7627aa6c83b0ef902a1d45841", kill_on_drop: false }`
[INFO] [stdout] cac2704af3098b20af50b83eb8fd70f5821d0fb7627aa6c83b0ef902a1d45841
[INFO] checking advocat-3.0.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate advocat 3.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate advocat 3.0.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate advocat 3.0.0
[INFO] finished tweaking crates.io crate advocat 3.0.0
[INFO] tweaked toml for crates.io crate advocat 3.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate advocat 3.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76057c31953768337af9191b1c01e997612f0f2b2d1ce1c252ac214f1911e4f8
[INFO] running `Command { std: "docker" "start" "-a" "76057c31953768337af9191b1c01e997612f0f2b2d1ce1c252ac214f1911e4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76057c31953768337af9191b1c01e997612f0f2b2d1ce1c252ac214f1911e4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76057c31953768337af9191b1c01e997612f0f2b2d1ce1c252ac214f1911e4f8", kill_on_drop: false }`
[INFO] [stdout] 76057c31953768337af9191b1c01e997612f0f2b2d1ce1c252ac214f1911e4f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 028241b039798c8bf894605dd73263621c0c50cc6fbb93ab617e6a0b4f704f92
[INFO] running `Command { std: "docker" "start" "-a" "028241b039798c8bf894605dd73263621c0c50cc6fbb93ab617e6a0b4f704f92", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling curl v0.4.42
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking configparser v3.0.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.52+curl-7.81.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking advocat v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/test_utils.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl SelfCleaningTmp {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new(module: &str, test_name: &str) -> SelfCleaningTmp {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/problem.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Problem {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Problem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "028241b039798c8bf894605dd73263621c0c50cc6fbb93ab617e6a0b4f704f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028241b039798c8bf894605dd73263621c0c50cc6fbb93ab617e6a0b4f704f92", kill_on_drop: false }`
[INFO] [stdout] 028241b039798c8bf894605dd73263621c0c50cc6fbb93ab617e6a0b4f704f92
